Zap2it first: 'Sister Wives': In 'Monogamy to Polygamy,' the Browns visit another polygamist family

In this exclusive clip, the "Sister Wives" visit another plural family and the women share their struggles with fertility, which can cause a lot of jealousy in polygamist families as the other wives c
ntinue to conceive children. "Sister Wives" airs Sundays at 9 p.m. ET/PT on TLC.
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